Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:7720-39-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:7720-39-0
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:7720-39-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry7720-39-0 2-Aminoimidazole Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( suc
Cas:7720-39-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:7720-39-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:7720-39-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:7720-39-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:7720-39-0
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:7720-39-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:7720-39-0
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
2-Aminoimidazole cas 7720-39-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Lower price, sample is available,large stock in warehouse.Best service, high quality and reasonable price.If you are looking for the material's manufacturer or supplier in China, Sibian chemical is your best choice. Application:Drug R&D
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:7720-39-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry2-aminoimidazolesulfate
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water Inert atmosphere; | 100% |
With sodium hydroxide In methanol at 20℃; |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With hydrogen In ethanol at 20℃; | 98% |
Conditions | Yield |
---|---|
With triethylamine In water at 80℃; for 4h; Inert atmosphere; Green chemistry; chemoselective reaction; | 91% |
With palladium on activated charcoal; acetic acid In tert-butyl alcohol |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With methanol; sodium methylate at -78 - 20℃; for 4h; | 90% |
With sodium carbonate In water at 20℃; for 0.25h; | |
With sodium carbonate In water at 20℃; for 3h; |
2-aminoimidazole hemisulfate
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With sodium carbonate In water | 79% |
With sodium hydroxide In water |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-isourea; 2,2-dimethoxyethylamine In water at 20 - 50℃; for 6h; Inert atmosphere; Stage #2: With hydrogenchloride In water at 90℃; for 10h; Inert atmosphere; | 74.9% |
Conditions | Yield |
---|---|
With ammonium dihydrogen phosphate; ammonium bicarbonate In water at 60℃; for 1.5h; pH=Ca. 5.3; pH-value; | 41% |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With hydrogenchloride |
2-nitro-1H-imidazole
A
1H-imidazol-2-amine
B
2-(Hydroxyamino)imidazole
Conditions | Yield |
---|---|
With phosphoric acid; sodium formate In water-d2 Product distribution; Irradiation; acid reduction; | A 70 % Spectr. B n/a C 30 % Spectr. |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
durch Reduktion; |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride |
hydrogenchloride
2-(p-tolylazo)imidazole
A
1H-imidazol-2-amine
B
ammonia
C
p-toluidine
D
guanidine nitrate
hydrogenchloride
2-(4-ethoxy-phenylazo)-1H-imidazole
A
1H-imidazol-2-amine
B
4-Ethoxyaniline
hydrogenchloride
2-(phenylazo)-1H-imidazole
A
1H-imidazol-2-amine
B
guanidine nitrate
C
aniline
D
4-(4-amino-phenyl)-1(3)H-imidazol-2-ylamine
hydrogenchloride
2-(4-bromo-phenylazo)-1H-imidazole
A
1H-imidazol-2-amine
B
4-bromo-aniline
C
4-(4-amino-phenyl)-1(3)H-imidazol-2-ylamine
hydrogenchloride
4-(1H-imidazol-2-ylazo)-benzenesulfonic acid
A
1H-imidazol-2-amine
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With acetic acid In piperidine; isopropyl alcohol |
Conditions | Yield |
---|---|
With trimethyl phosphite; water; sodium chloride; magnesium chloride; N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid In water-d2 at 25℃; Kinetics; |
CYANAMID
Glycolaldehyde
A
2-amino-1,3-oxazole
B
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With ammonium chloride; sodium phosphate In water at 60℃; for 1h; pH=7; pH-value; | A 9.6 %Spectr. B 6.6 %Spectr. |
sodium cyanide
1H-imidazol-2-amine
Conditions | Yield |
---|---|
Stage #1: sodium cyanide With ammonium chloride; sodium chloride In water at 24℃; for 24h; pH=7; Irradiation; Inert atmosphere; Stage #2: In water-d2 at 50℃; for 3h; pH=8; |
Conditions | Yield |
---|---|
Stage #1: methylthiourea hemisulfate; 2,2-dimethoxyethylamine In water at 75℃; for 1h; Stage #2: With sulfuric acid In water at 95℃; for 0.5h; pH=1; | 18.06 g |
Conditions | Yield |
---|---|
With hydrogenchloride; potassium cyanide; sodium dihydrogenphosphate; sodium hydroxide; potassium hexacyanoferrate(III) In water; water-d2 |
1H-imidazol-2-amine
di-tert-butyl dicarbonate
2-amino-1-(tert-butoxycarbonyl)imidazole
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane; water at 20℃; for 14h; Inert atmosphere; | 100% |
1H-imidazol-2-amine
N,N-dimethyl-formamide dimethyl acetal
2-[(dimethylamino)methylene]aminoimidazole
Conditions | Yield |
---|---|
With sodium carbonate at 20℃; | 95% |
1H-imidazol-2-amine
carbon monoxide
1-Bromo-4-fluorobenzene
4-fluoro-N-(1H-imidazol-2-yl)benzamide
Conditions | Yield |
---|---|
With dichlorobis[benzyldiphenylphosphine]palladium(II); caesium carbonate In tetrahydrofuran at 120℃; under 6205.94 Torr; for 0.5h; Microwave irradiation; | 90% |
1H-imidazol-2-amine
(Z)-2-bromo-3-(3-chlorophenyl)acrylaldehyde
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; 2-(Dimethylamino)pyridine In 1,4-dioxane at 120℃; for 4h; Sealed tube; Green chemistry; | 90% |
1H-imidazol-2-amine
3-chloro-N-[4-chloro-2-[[(5-chloro-2-pyridinyl)amino]carbonyl]-6-methoxyphenyl]-4-chloromethyl-2-thiophenecarboxamide
N-(5-chloropyridin-2-yl)-2-[((4-((2-aminoimidazol-1-yl)methyl)-3-chlorothiophen-2-yl)carbonyl)amino]-3-methoxy-5-chlorobenzamide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0 - 20℃; | 87% |
1H-imidazol-2-amine
2-((5-hydroxy-4-oxo-2-phenyl-4H-chromen-7-yl)oxy)acetic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 1.25h; | 86% |
1H-imidazol-2-amine
2-((4-oxo-2-phenyl-4H-chromen-7-yl)oxy)acetic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 1.25h; | 85% |
1H-imidazol-2-amine
3-oxo-N-{4-[(pyrimidin-2-ylamino)sulphonyl]phenyl}butanamide
Conditions | Yield |
---|---|
Stage #1: 1H-imidazol-2-amine With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 3-oxo-N-{4-[(pyrimidin-2-ylamino)sulphonyl]phenyl}butanamide With pyridine In water | 85% |
1H-imidazol-2-amine
6-fluoro-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-4H-1-benzopyran-4-one
4-fluoro-2-{6-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]imidazo[1,2-a]pyrimidin-5-yl}phenol
Conditions | Yield |
---|---|
With sodium methylate In dimethyl sulfoxide at 100℃; for 0.333333 - 0.5h; | 84% |
1H-imidazol-2-amine
Camphorsulfonyl chloride
Conditions | Yield |
---|---|
With dmap In acetonitrile at 0℃; for 1h; Inert atmosphere; | 83% |
1H-imidazol-2-amine
7-methoxyquinoline-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 7-methoxyquinoline-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: 1H-imidazol-2-amine In N,N-dimethyl-formamide | 81% |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; 2-(Dimethylamino)pyridine In 1,4-dioxane at 120℃; for 4h; Sealed tube; Green chemistry; | 81% |
1H-imidazol-2-amine
2-{6-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]imidazo[1,2-a]pyrimidin-5-yl}phenol
Conditions | Yield |
---|---|
With sodium methylate In dimethyl sulfoxide at 100℃; for 0.333333 - 0.5h; | 78% |
pyridine-2-carbaldehyde
1H-imidazol-2-amine
Diethyl methylphosphonate
4-fluorobenzonitrile
Conditions | Yield |
---|---|
Stage #1: Diethyl methylphosphonate; 4-fluorobenzonitrile With n-butyllithium In tetrahydrofuran; hexane at -78 - -50℃; for 0.5h; Stage #2: pyridine-2-carbaldehyde In tetrahydrofuran; hexane at -50 - 0℃; for 0.75h; Stage #3: 1H-imidazol-2-amine In tetrahydrofuran; N,N-dimethyl-formamide for 8h; Heating; | 77% |
Conditions | Yield |
---|---|
at 170℃; for 0.25h; Condensation; | 75% |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 6h; Reflux; | 75% |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; 2-(Dimethylamino)pyridine In 1,4-dioxane at 120℃; for 4h; Sealed tube; Green chemistry; | 74% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; 2-(Dimethylamino)pyridine In 1,4-dioxane at 120℃; for 4h; Sealed tube; Green chemistry; | 74% |
1H-imidazol-2-amine
3,3-dimethoxy-2-formyl-propanenitrile sodium salt
Conditions | Yield |
---|---|
Stage #1: 1H-imidazol-2-amine; 3,3-dimethyloxy-2-formylpropionitrile sodium salt With hydrogenchloride In methanol; water at 20℃; for 4h; Stage #2: With hydrogenchloride In methanol; water at 20℃; for 12h; regioselective reaction; | 73% |
Conditions | Yield |
---|---|
With copper(l) iodide; 8-quinolinol; sodium t-butanolate In methanol at 50℃; for 36h; Solvent; | 72% |
Stage #1: 1H-imidazol-2-amine With tert-butyldimethylsilyl chloride Stage #2: methyl iodide With n-butyllithium |
1H-imidazol-2-amine
Conditions | Yield |
---|---|
With hydrogenchloride In acetonitrile for 3h; Heating; | 72% |
1H-imidazol-2-amine
pyridine-3-carbonitrile
Diethyl methylphosphonate
4-fluorobenzaldehyde
Conditions | Yield |
---|---|
Stage #1: pyridine-3-carbonitrile; Diethyl methylphosphonate With n-butyllithium In tetrahydrofuran; hexane at -78 - -50℃; for 0.5h; Stage #2: 4-fluorobenzaldehyde In tetrahydrofuran; hexane at -50 - 0℃; for 0.75h; Stage #3: 1H-imidazol-2-amine In tetrahydrofuran; N,N-dimethyl-formamide for 8h; Heating; | 72% |
Conditions | Yield |
---|---|
With chloroacetic acid In tetrahydrofuran at 80℃; for 12h; Biginelli Pyrimidone Synthesis; Sealed tube; | 72% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at -20℃; for 2h; | 72% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View